40877740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1109}}^1$

素因数の和:1234

約数の個数: 48

約数和(自身を含む): 91375200

約数和(自身を除く): 50497460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 97, 190, 194, 380, 388, 485, 970, 1109, 1843, 1940, 2218, 3686, 4436, 5545, 7372, 9215, 11090, 18430, 21071, 22180, 36860, 42142, 84284, 105355, 107573, 210710, 215146, 421420, 430292, 537865, 1075730, 2043887, 2151460, 4087774, 8175548, 10219435, 20438870, 40877740]

約数ペア:

[(1, 40877740), (2, 20438870), (4, 10219435), (5, 8175548), (10, 4087774), (19, 2151460), (20, 2043887), (38, 1075730), (76, 537865), (95, 430292), (97, 421420), (190, 215146), (194, 210710), (380, 107573), (388, 105355), (485, 84284), (970, 42142), (1109, 36860), (1843, 22180), (1940, 21071), (2218, 18430), (3686, 11090), (4436, 9215), (5545, 7372)]